The stadium was filled with tiers of seats.

一排排座位装满了整个体育场。

The seating is arranged in tiers.

座位是一级级排列的。

Islanders have campaigned for the abolition of one of the three tiers of municipal power on the island.

岛民们已经发起了运动，要废除该岛3级市政权力中的1级。

We will focus on the application and database tiers.

我们将主要关注于应用层和数据库层。

One can clearly see two tiers of the machinery hall.

人们可能清楚的看到机械大厅内部的两层结构。

The QSE framework consists of the following three tiers.

QSE框架由以下三层组成。